I've tested this air cleaner in time of high smoke from California wildfires making for very bad air in area. Using a PM2.5 air quality meter to monitor how fast and how well it cleaned the air in my bedroom and living room. This air cleaner was both fast and effective. It uses the same ("type R") HEPA filter as more than a dozen other Honewell models in one of 3 different sizes, so if you're buying a number of different air cleaners in different sizes, that is nice to know. And because so many in this family of air cleaners have been sold, you have your choice of very many third party offerings of type R HEPA filters for this unit, at as little as half of the price of OEM Honeywell brand replacement filters. This is a simple, reliable machine... just a motor, fan, and filter... which you can run at one of 4 motor speeds, and if you wish have it shut off after 2, 4, or 8 hours. But it does not (like some other competing models) offer sensing of air quality, display of air quality, or control of the motor based on sensed air quality. These last are nice conveniences, but not really necessary, especially if one is already monitoring air quality indoors using one's own PM2.5 meter, as I do in times of high smoke in the air.Read full review
Verified purchase: Yes | Condition: Pre-owned
I received this product broken. I have tried to get someone to tell me what to do next. There were black pieces of plastic embedded in the accordion pleats of the filter. I will be contacting my CC company soon to stop payment on this purchase. Lila Voss
Verified purchase: Yes | Condition: Pre-owned
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